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Document No: 4020-M010  1st February, 1997  Issue 2.0 
 
(4)  If you receive an alarm while acknowledging faults, you immediately exit the fault 
list, the alarm while be displayed, the buzzer will be sounding and the alarm LED 
will be flashing. The fault LED will still be flashing. 
 
 
7.2 BUZZER MUTE FACILITY 
 
Use the following procedure to mute the panel buzzer. 
 
STEP 1  Press the ADD key on the keypad.   
    The following “buzzer mute” message will continually cycle ON and OFF 
on the LCD display. 
 
 
** WARNING - PANEL BUZZER IS DISABLED **   
Use ADD key to switch ON or OFF   
 
To  restore  panel  buzzer  operation,  press  the  ADD  key  to  remove  the 
buzzer mute function. 
 
 NOTE:  The panel buzzer cannot be muted for alarm conditions.  In the event of a 
fire alarm, the buzzer mute function  is reset immediately and  the panel 
buzzer will sound. 
 
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